3-49. MINI-PROBE,
TM 55-2090-201-14&P
L O C A T I O N
I T E M
A C T I O N
R E M A R K S
Test Procedure
Meter
Reading
(VDC)
Test Conditions
Remarks
A. Connect the
test meter
leads to ter-
minal con-
tacts 1 and
8 on ter-
mial board
TB1
B. Connect the
test meter
leads to
terminal
contacts 1
and 3, de-
press the
first stage
(prefilter)
oil dump
replaced if either
a signal is gene-
rated while the
mini-probe is in
water or a signal
is not transmitted
when the first
stage oil dump
light/button (6)
does not light
when it is de-
pressed.
A mal-
function in the
printed circuit
board is indicated
when the mini-
probe generated
signal is not
relayed to the
solenoid valve.
A. Replace the
mini-probe (4)
if a zero read-
ing is not ob-
tained on the
test meter.
0
B. Depressing the
oil dump light/
button (6) will
cause the mini-
probe to gene-
rate a signal
causing the
first stage oil
(prefilter) oil
dump light/but-
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